// Problem: 
// Contest: 
// URL: 
// Memory Limit: 
// Time Limit: 
// #pragma GCC optimize("Ofast")
// #pragma GCC optimize("unroll-loops")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
#include<bits/stdc++.h>
using namespace std;
#define int long long
inline int read(){
	int s=0,w=1;
	char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();}
	while(ch>='0'&&ch<='9') s=s*10+ch-'0',ch=getchar();
	return s*w;
}
signed main()
{
	int t;
	cin>>t;
	while(t--)
	{
		int n;
		cin>>n;
		int l=1,r=1;
		int sum=0;
		char a,b;
		int x,y;
		for(int i=1;i<=n;i++)
		{
			cin>>a>>x>>b>>y;
			if(a==b)
			{
				if(x>y)l+=sum;
				else r+=sum;
			}
			else
			{
				if(a=='x')l+=sum;
				else r+=sum;
			}
			sum=0;
			if(a=='x')
				sum+=l*(x-1);
			else 
				sum+=x;
			if(b=='x')
				sum+=r*(y-1);
			else 
				sum+=y;
		}
		cout<<sum+l+r<<endl;
	}
	return 0;
}
